<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
    <title>Terrain-Mask Operator</title>
    <link rel="stylesheet" href="../style.css">
</head>
<body>
<table class="header">
    <tr class="header">
        <td class="header">&nbsp;Terrain-Mask Operator</td>
        <td class="header" align="right">
            <a href="nbdocs://org.esa.snap.snap.help/org/esa/snap/snap/help/docs/general/overview/SnapOverview.html">
                <img src="images/snap_header.jpg" border="0"/></a>
        </td>
    </tr>
</table>
<h1>Terrain-Mask Operator Description</h1>
<h2>Overview</h2>
<table>
  <tr><td><b>Name:</b></td><td><code>Terrain-Mask</code></td></tr>
  <tr><td><b>Full name:</b></td><td><code>org.esa.snap.raster.gpf.masks.TerrainMaskOp</code></td></tr>
  <tr><td><b>Purpose:</b></td><td>Terrain Mask Generation</td></tr>
  <tr><td><b>Version:</b></td><td>1.0</td></tr>
</table>
<h2>Description</h2>
This operator detects mountain area using DEM and gnerates a terrain mask for given SAR image.
<h2>Sources</h2>
<table>
<tr>
  <th>Name</th>
  <th>Description</th>
</tr>
<tr>
  <td><code>sourceProduct</code></td>
  <td></td>
</tr>
</table>
<h2>Parameters</h2>
<table>
<tr>
  <th>Name</th>
  <th>Data Type</th>
  <th>Default</th>
  <th>Description</th>
  <th>Constraints</th>
</tr>
<tr>
  <td><code>demName</code></td>
  <td><code>String</code></td>
  <td><code>SRTM 3Sec</code></td>
  <td>The digital elevation model.</td>
  <td>value set: [ACE, ASTER 1sec GDEM, GETASSE30, SRTM 1Sec HGT, SRTM 3Sec]</td>
</tr>
<tr>
  <td><code>demResamplingMethod</code></td>
  <td><code>String</code></td>
  <td><code>NEAREST_NEIGHBOUR</code></td>
  <td></td>
  <td>value set: [NEAREST_NEIGHBOUR, BILINEAR_INTERPOLATION, CUBIC_CONVOLUTION, BICUBIC_INTERPOLATION, BISINC_5_POINT_INTERPOLATION]</td>
</tr>
<tr>
  <td><code>externalDEMFile</code></td>
  <td><code>File</code></td>
  <td><code></code></td>
  <td></td>
  <td></td>
</tr>
<tr>
  <td><code>externalDEMNoDataValue</code></td>
  <td><code>double</code></td>
  <td><code>0</code></td>
  <td></td>
  <td></td>
</tr>
<tr>
  <td><code>windowSizeStr</code></td>
  <td><code>String</code></td>
  <td><code>15x15</code></td>
  <td></td>
  <td>value set: [5x5, 7x7, 9x9, 11x11, 13x13, 15x15, 17x17]</td>
</tr>
<tr>
  <td><code>thresholdInMeter</code></td>
  <td><code>double</code></td>
  <td><code>40.0</code></td>
  <td>Threshold for detection</td>
  <td>interval: (0, *)</td>
</tr>
</table>
<hr/>
</body>
</html>
